CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales	$ 2,694,609	$ 2,070,172	$ 1,729,285
Cost of goods sold	1,957,872	1,506,353	1,273,017
Gross profit	736,737	563,819	456,268
Selling, general & administrative expenses	439,775	377,773	333,138
Rationalization and asset impairment charges (gains)	282	(384)	29,897
Operating income	296,680	186,430	93,233
Other income (expense):
Interest income	3,121	2,381	3,462
Equity earnings (loss) in affiliates	5,385	3,171	(5,025)
Other income	2,849	1,817	3,589
Interest expense	(6,704)	(6,691)	(8,521)
Total other income (expense)	4,651	678	(6,495)
Income before income taxes	301,331	187,108	86,738
Income taxes	84,318	54,898	37,905
Net income including noncontrolling interests	217,013	132,210	48,833
Noncontrolling interests in subsidiaries' (loss) earnings	(173)	1,966	257
Net income	$ 217,186	$ 130,244	$ 48,576
Basic weighted average shares outstanding (in shares)	83,681	84,407	84,782
Effect of dilutive securities - stock options and awards (in shares)	1,027	816	486
Diluted weighted average shares outstanding (in shares)	84,708	85,223	85,268
Basic earnings per share (in dollars per share)	$ 2.60	$ 1.54	$ 0.57
Diluted earnings per share (in dollars per share)	$ 2.56	$ 1.53	$ 0.57
Cash dividends declared per share (in dollars per share)	$ 0.635	$ 0.575	$ 0.545